Antivirus
Latest about Antivirus
![Sophos 2021 antivirus review](https://cdn.mos.cms.futurecdn.net/ruWRXyULAag7m3mVCD2Zsj-320-80.jpg)
Sophos antivirus review
By Brian Nadel published
Sophos Home Premium provides decent protection against malware for a fair price but lacks many commonplace antivirus features.
![](https://cdn.mos.cms.futurecdn.net/w7PNZuwvh77nLNb9gwmZXZ-320-80.jpg)
Why do so many antivirus solutions kill system performance?
By Sponsored published
Antivirus software has a reputation for being CPU intensive. Why?
![Avast Free Antivirus review](https://cdn.mos.cms.futurecdn.net/p6M5dyyenK9i6ZFULcxt6f-320-80.jpg)
Avast Free Antivirus review
By Brian Nadel published
Avast Free Antivirus offers a ton of features for a free antivirus program but has mediocre malware protection and a heavy system load.
![An image of Kaspersky Internet Security accompanied by a banner for the Tom's Guide 2020 Awards.](https://cdn.mos.cms.futurecdn.net/bxXLepPM4hAdmLo4vvwt2M-320-80.jpg)
Kaspersky Total Security wins the 2020 Tom's Guide Awards for top antivirus program
By Paul Wagenseil published
Kaspersky Total Security wins the 2020 Tom's Guide Award for best antivirus program.
![AVG AntiVirus Free review](https://cdn.mos.cms.futurecdn.net/S5PnBGYEFgnMahm4UuJbo5-320-80.jpg)
AVG AntiVirus Free review
By Brian Nadel published
AVG AntiVirus Free is beaten in features by its more glamorous sibling Avast Free Antivirus and beaten in malware protection by everything else.
![Windows Defender review](https://cdn.mos.cms.futurecdn.net/KRbnkNjnwfQ5kwbh2kgfiD-320-80.jpg)
Windows Defender review
By Brian Nadel published
Windows Defender isn't the absolute best antivirus software, but it's easily good enough to be your main malware defense.
![Bitdefender deal](https://cdn.mos.cms.futurecdn.net/zo9xVb8WPyK5MQpd8Njtzm-320-80.jpg)
Bitdefender deal takes 50% off our favorite antivirus software
By Louis Ramirez published
Keep your PC protected. These Bitdefender deals take 50% off Bitdefender's powerful security suites.
![An illustration of the words SYSTEM HACKED on a computer screen accompanied by a yellow triangle containing an exclamation mark.](https://cdn.mos.cms.futurecdn.net/SwbRymckKEfXkhNi9KPcWZ-320-80.jpg)
28 antivirus products share nasty flaw that can brick your PC: What you need to know
By Paul Wagenseil published
Many antivirus programs can be tricked into deleting their own files or critical system files, researchers showed.
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